/**
 * Copyright 2008 Matthew Purland (m.purland@gmail.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.variance;

import org.variance.version.DefaultRevisionTransaction;
import org.variance.version.RevisionTransaction;

/**
 * Default implementation for <code>DefaultVarianceSession</code>.
 *
 * @author Matthew Purland
 */
public class DefaultVarianceSession implements VarianceSession {

    // The current transaction with the session
    protected RevisionTransaction currentTransaction;

    /**
     * {@inheritDoc}
     */
    public RevisionTransaction beginTransaction() {
        RevisionTransaction revisionTransaction = new DefaultRevisionTransaction();

        currentTransaction = revisionTransaction;

        return currentTransaction;
    }

    /**
     * {@inheritDoc}
     */
    public void close() {
        currentTransaction.close();
    }

    /**
     * {@inheritDoc}
     */
    public RevisionTransaction getTransaction() {
        return currentTransaction;
    }

}
